ExcellLaminated Steel 64mm Padlock 5-Pin - 38mm Shackle - Master Lock M1EURDLHCC, The Master Lock ExcellLaminated Steel Padlocks are made with cutting edge technology to deliver unprecedented security. They feature tough cut patented octagonal boron carbide shackles which are 50% tougher to cut than hardened steel, and dual ball bearing locking mechanisms for maximum pry resistance. The laminated steel padlocks are built for strength, with stainless steel and zinc outer components for exceptional weather resistance. They have either a precision 4-pin or 5-pin cylinder and recessed rivets that are chisel resistant. Supplied with 4 keys and a Lifetime Warranty against mechanical failure. Suggested uses: gates, sheds, storage units, fences, containers and chains.The Master Lock M1EURDLH has the following specifications: 45mm Excelllaminated steel padlock - 51mm Octagonal boron carbide long shackle, 8mm diameter - 4-pin tumbler cylinder - dual ball bearing locking Master Lock M1EU